22220344420366 has 8 divisors (see below), whose sum is σ = 33332492291184. Its totient is φ = 11109513656640.

The previous prime is 22220344420283. The next prime is 22220344420453. The reversal of 22220344420366 is 66302444302222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329234595 + ... + 329302078.

It is an arithmetic number, because the mean of its divisors is an integer number (4166561536398).

Almost surely, 2^{22220344420366} is an apocalyptic number.

22220344420366 is a deficient number, since it is larger than the sum of its proper divisors (11112147870818).

22220344420366 is a wasteful number, since it uses less digits than its factorization.

22220344420366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658553546.

The product of its (nonzero) digits is 663552, while the sum is 40.

Adding to 22220344420366 its reverse (66302444302222), we get a palindrome (88522788722588).

The spelling of 22220344420366 in words is "twenty-two trillion, two hundred twenty billion, three hundred forty-four million, four hundred twenty thousand, three hundred sixty-six".